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dc.contributor.authorHou, WSen_US
dc.contributor.authorLin, GLen_US
dc.contributor.authorMa, CYen_US
dc.date.accessioned2014-12-08T15:01:16Z-
dc.date.available2014-12-08T15:01:16Z-
dc.date.issued1997-12-01en_US
dc.identifier.issn0556-2821en_US
dc.identifier.urihttp://hdl.handle.net/11536/155-
dc.description.abstractWe explore the possibility of detecting flavor-changing neutral Higgs boson couplings at the Next Linear Collider (NLC) through e(+)e(-)->nu(e)<(nu)over bar>(e)t (c) over bar. In the framework of a general two-Higgs-doublet model, we perform a complete calculation and find that sigma(e(+)e(-)-->nu(e) nu(e)t (c) over bar nu(e)<(nu)over bar>(e) (t) over bar c) could reach similar to 9 fb for root s=2 TeV. This amounts to an annual production of 500 t (c) over bar plus (t) over bar c pairs at the NLC with an integrated luminosity of 50 fb(-1). The dependence of the tc-production rate on the neutral scalar mixing angle is mild except when sin(2) alpha-->0 or 1. The nu nu W+W- background should be manageable after b tagging, while vvt (t) over bar background should not be a problem when the signal event rate is still interesting. The process, together with e(+)e(-)-->nu(e)<(nu(e))over bar>W+W-,nu(e)<(nu(e))over bar>ZZ studies, offer the chance of measuring the t-c-Higgs-bsson coupling.en_US
dc.language.isoen_USen_US
dc.titleFlavor-changing neutral Higgs boson couplings and top-quark-charm-quark production at the Next Linear Collideren_US
dc.typeArticleen_US
dc.identifier.journalPHYSICAL REVIEW Den_US
dc.citation.volume56en_US
dc.citation.issue11en_US
dc.citation.spage7434en_US
dc.citation.epage7443en_US
dc.contributor.department電子物理學系zh_TW
dc.contributor.department物理研究所zh_TW
dc.contributor.departmentDepartment of Electrophysicsen_US
dc.contributor.departmentInstitute of Physicsen_US
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